class WWW::Mechanize::File


agent.get(‘example.com/foo.jpg’).class #=> WWW::Mechanize::File
agent = WWW::Mechanize.new
require ‘mechanize’
require ‘rubygems’
== Example
pluggable parsers.
This is a good class to use as the base class for building your own
will not know how to parse it, so this class will be instantiated.
this class will be used. For example, if you download a JPG, Mechanize
Mechanize cannot find an appropriate class to use for the content type,
This is the default (and base) class for the Pluggable Parsers. If
= Synopsis

def initialize(uri=nil, response=nil, body=nil, code=nil) 

def initialize(uri=nil, response=nil, body=nil, code=nil)
  @uri, @body, @code = uri, body, code
  @response = Headers.new
  # Copy the headers in to a hash to prevent memory leaks
  if response
    response.each { |k,v|
      @response[k] = v
    }
  end
  @filename = 'index.html'
  # Set the filename
  if disposition = @response['content-disposition']
    disposition.split(/;\s*/).each do |pair|
      k,v = pair.split(/=/, 2)
      @filename = v if k.downcase == 'filename'
    end
  else
    if @uri
      @filename = @uri.path.split(/\//).last || 'index.html'
      @filename << ".html" unless @filename =~ /\./
    end
  end
  yield self if block_given?
end

def save_as(filename = nil)

Use this method to save the content of this object to filename 
def save_as(filename = nil)
  if filename.nil?
    filename = @filename
    number = 1
    while(::File.exists?(filename))
      filename = "#{@filename}.#{number}"
      number += 1
    end
  end
  ::File::open(filename, "wb") { |f|
    f.write body
  }
end